diff --git a/VirtualRobot/tests/VirtualRobotRobotTest.cpp b/VirtualRobot/tests/VirtualRobotRobotTest.cpp
index 8318a33ec0125ea28ec11578ce051f712f2a3bfe..ef28812a875907ec5da844700b3d465ab04d8d07 100644
--- a/VirtualRobot/tests/VirtualRobotRobotTest.cpp
+++ b/VirtualRobot/tests/VirtualRobotRobotTest.cpp
@@ -223,11 +223,11 @@ BOOST_AUTO_TEST_CASE(testVirtualRobotPhysicsTag)
 		"  <Physics>"
 		"   <Mass value='100' units='kg'/>"
 		"   <CoM location='joint' x='10' y='20' z='30' units='mm'/>"
-		"   <IntertiaMatrix unitsWeight='ton' unitsLength='mm'>"
+		"   <InertiaMatrix unitsWeight='ton' unitsLength='mm'>"
 		"     <row1 c1='1' c2='2' c3='3'/>"
 		"     <row2 c1='4' c2='5' c3='6'/>"
 		"     <row3 c1='7' c2='8' c3='9'/>"
-		"   </IntertiaMatrix>"
+		"   </InertiaMatrix>"
 		"  </Physics>"
 		"  <Joint type='revolute'>"
 		"    <DH a='1' d='0' theta='0' alpha='-90' units='degree' unitsLength='m'/>"